jgdas_atmos_anal.ecf (GFS v17) — Deep-Dive Analysis

Path: ecf/scripts/gdas/analysis/atmos/jgdas_atmos_anal.ecf | Date: 2026-06-11

Summary

GDAS atmospheric analysis — GSI 3DVar/Hybrid-EnKF. 100 nodes, same as GFS. The GDAS analysis is the primary DA cycle (runs every 6 hours). Same JGLOBAL_ATMOS_ANALYSIS J-Job.

Resources: 100 nodes, 16 mpi x 8 OMP = 128 cpus/node, exclusive, 1:40 wall

Modules: gsi | J-Job: JGLOBAL_ATMOS_ANALYSIS (shared)

CRITICAL — provides initial conditions for both GDAS and GFS forecasts.